166375 has 16 divisors (see below), whose sum is σ = 228384. Its totient is φ = 121000.

The previous prime is 166363. The next prime is 166393. The reversal of 166375 is 573661.

The cubic root of 166375 is 55.

It is a perfect power (a cube), and thus also a powerful number.

It is not a de Polignac number, because 166375 - 2⁷ = 166247 is a prime.

It is a Duffinian number.

166375 is a lucky number.

It is a plaindrome in base 14 and base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15120 + ... + 15130.

It is an arithmetic number, because the mean of its divisors is an integer number (14274).

166375 is a Friedman number, since it can be written as (56-7+6)^(3*1), using all its digits and the basic arithmetic operations.

2¹⁶⁶³⁷⁵ is an apocalyptic number.

166375 is a deficient number, since it is larger than the sum of its proper divisors (62009).

166375 is an frugal number, since it uses more digits than its factorization.

166375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48 (or 16 counting only the distinct ones).

The product of its digits is 3780, while the sum is 28.

The square root of 166375 is about 407.8909167903.

The spelling of 166375 in words is "one hundred sixty-six thousand, three hundred seventy-five".